What is (a) A bone, or one of a pair of bones, beneath the ethmoid region of the skull, forming a part a part of the partition between the nostrils in man and other mammals. (b) The pygostyle called?

vomer — (a) A bone, or one of a pair of bones, beneath the ethmoid region of the skull, forming a part a part of the partition between the nostrils in man and other mammals. (b) The pygostyle. (Webster's 1913.)

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